100 lines
2.6 KiB
Python
100 lines
2.6 KiB
Python
# Bryan Schumaker (11/12/2010)
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import libsaria
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from libsaria import path
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from libsaria.sources import playlist
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from libsaria import version
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from libsaria import callbacks
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import libsaria.xm as xml
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add_child = xml.add_child
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add_text = xml.add_text
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get_attrs = libsaria.sources.get_attrs_id
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file_id = path.file_id
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lib_file = "library"
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vers = "%s.%s" % (version.__major__, version.__minor__)
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if version.__dev__ == True:
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lib_file = lib_file + "-dev"
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lib_file += ".xml"
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lib_file = path.join(path.saria_dir(), lib_file)
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xml_children = xml.children
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xml_child = xml.child
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xml_attrs = xml.attributes
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#######################################
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# Generic encode and decode functions #
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#######################################
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def decode_attr(attr):
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child = xml.child(attr)
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return (attr.nodeName, child.data.strip())
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def encode_attr(doc, node, attr, value):
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child = add_child(doc, node, attr)
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add_text(doc, child, value)
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def encode_track(doc, node, id):
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filepath, like, count = get_attrs(id, "filepath", "like", "count")
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if (like == None) and (count == 0):
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return
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child = add_child(doc, node, "track", {"like":like, "count":count})
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add_text(doc, child, filepath)
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##################################
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# xspf encode / decode functions #
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##################################
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def decode_xspf_track(location):
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file = xml.child(location).data.strip()
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if file[:7] == "file://":
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id = path.file_id(file[7:])
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playlist.add_ids([id])
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def decode_xspf(child):
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tlist = xml.child(child)
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playlist.reset()
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for node in xml.children(tlist):
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try:
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loc = xml.get_elements(node, "location")[0]
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decode_xspf_track(loc)
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except:
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pass
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playlist.save()
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callbacks.load_playlist()
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def encode_xspf(doc, node, id):
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filepath = get_attrs(id, "filepath")[0]
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track = add_child(doc, node, "track")
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location = add_child(doc, track, "location")
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add_text(doc, location, "file://%s" % filepath)
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#############################################
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# Control will enter the export module here #
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#############################################
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def save_playlist(filepath):
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file, ext = path.splitext(filepath)
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if ext != ".xml":
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filepath+=".xml"
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doc = xml.new()
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child = add_child(doc, doc, "playlist", {"version":1, "xmlns":"http://xspf.org/ns/0/"})
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tlist = add_child(doc, child, "trackList")
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for id in playlist.list_ids():
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encode_xspf(doc, tlist, id)
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fout = open(filepath, 'w')
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fout.write(doc.toprettyxml())
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fout.close()
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print "Wrote playlist to: %s" % filepath
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def import_xml(file):
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fin = open(file)
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doc = xml.parse(fin)
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child = xml.child(doc)
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if child.nodeName == "playlist":
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decode_xspf(child)
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